An object or substance that was once solid now has become liquid because of heat. This often happens when ice turns into water or chocolate melts from being left by the stove.
When we talk about something melting, it's usually because it got too hot. For example, if you leave your favorite ice cream out on a warm day, it will start to melt and become a puddle. Or, imagine you're making a big pot of hot chocolate for the family, but you forget to turn down the heat, so the chocolate starts melting all over the stove. Sometimes we use melted intentionally, like when we melt butter in a pan to cook food or when we mix melted cheese with pasta for a tasty sauce.
simple past and past participle of melt
